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2026-05-21 - 13:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu May 21, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8134213877,6sleep10-21swapper/119:06:321
8160212970,7sleep20-21swapper/219:06:532
8198212262,7sleep30-21swapper/319:07:223
80762118107,6sleep00-21swapper/019:05:470
92452700,2sleep29229-21apt-get22:30:002
3472640,0sleep30-21swapper/321:20:253
137722620,1sleep10-21swapper/122:05:001
139452610,0sleep229-21rcuc/200:25:182
291102570,0sleep20-21swapper/223:15:172
158512560,0sleep10-21swapper/100:30:131
58942550,0sleep10-21swapper/122:25:181
62642540,5sleep1856899cyclictest19:30:221
62642540,5sleep1856899cyclictest19:30:211
856899280,27cyclictest0-21swapper/122:20:511
857299270,26cyclictest0-21swapper/220:56:082
857299270,26cyclictest0-21swapper/220:02:072
857299270,26cyclictest0-21swapper/200:04:162
278332270,0sleep30-21swapper/322:45:153
857299260,25cyclictest0-21swapper/222:12:262
856899260,25cyclictest0-21swapper/122:14:471
857299250,24cyclictest0-21swapper/222:49:062
856899250,24cyclictest0-21swapper/122:16:291
856899240,18cyclictest0-21swapper/119:50:341
857299230,22cyclictest0-21swapper/200:31:002
856899237,15cyclictest0-21swapper/120:50:171
8568992320,2cyclictest0-21swapper/121:20:291
8560992318,2cyclictest280-21systemd-journal21:15:000
8572992218,3cyclictest0-21swapper/219:59:432
857299221,20cyclictest0-21swapper/219:43:072
857299220,21cyclictest0-21swapper/223:37:252
857299220,21cyclictest0-21swapper/222:37:272
857299220,21cyclictest0-21swapper/220:36:192
857299220,21cyclictest0-21swapper/220:15:102
857299220,21cyclictest0-21swapper/219:19:492
857299220,21cyclictest0-21swapper/200:10:392
8568992220,2cyclictest0-21swapper/121:17:201
8568992220,2cyclictest0-21swapper/119:16:441
8568992219,3cyclictest0-21swapper/120:47:501
8568992218,3cyclictest0-21swapper/123:22:041
856899220,3cyclictest0-21swapper/123:13:181
856899220,21cyclictest0-21swapper/123:49:041
856899220,21cyclictest0-21swapper/122:56:181
856899220,21cyclictest0-21swapper/122:30:531
856899220,21cyclictest0-21swapper/121:48:501
856899220,21cyclictest0-21swapper/121:38:351
856899220,21cyclictest0-21swapper/121:27:471
856899220,21cyclictest0-21swapper/121:12:321
856899220,21cyclictest0-21swapper/100:04:401
856099220,3cyclictest0-21swapper/000:11:130
857299214,13cyclictest0-21swapper/221:35:252
8572992119,1cyclictest749-21snmpd22:51:512
8572992119,1cyclictest749-21snmpd22:51:512
8572992118,2cyclictest749-21snmpd23:03:242
8572992118,2cyclictest749-21snmpd21:59:032
8572992118,2cyclictest749-21snmpd20:51:372
8572992118,2cyclictest749-21snmpd00:16:312
857299210,4cyclictest0-21swapper/223:59:032
857299210,20cyclictest0-21swapper/223:06:332
857299210,20cyclictest0-21swapper/222:03:502
857299210,20cyclictest0-21swapper/220:26:282
857299210,20cyclictest0-21swapper/220:07:102
857299210,20cyclictest0-21swapper/200:20:572
8568992119,2cyclictest0-21swapper/119:13:541
8568992118,3cyclictest0-21swapper/121:50:261
8568992117,3cyclictest0-21swapper/120:03:281
856899210,20cyclictest0-21swapper/122:46:361
856899210,20cyclictest0-21swapper/122:37:021
856899210,20cyclictest0-21swapper/121:31:231
856899210,20cyclictest0-21swapper/121:06:321
856899210,20cyclictest0-21swapper/121:02:291
856899210,20cyclictest0-21swapper/120:40:411
856899210,20cyclictest0-21swapper/120:32:161
856899210,20cyclictest0-21swapper/120:16:101
856899210,20cyclictest0-21swapper/119:58:481
856899210,20cyclictest0-21swapper/119:48:011
856899210,20cyclictest0-21swapper/119:23:431
856099210,20cyclictest0-21swapper/023:46:430
856099210,20cyclictest0-21swapper/020:59:140
856099210,20cyclictest0-21swapper/020:25:100
8572992018,1cyclictest749-21snmpd23:50:362
8572992018,1cyclictest749-21snmpd23:40:122
8572992018,1cyclictest749-21snmpd23:13:512
8572992018,1cyclictest749-21snmpd22:42:472
8572992018,1cyclictest749-21snmpd20:30:462
8572992017,3cyclictest0-21swapper/222:55:432
8572992017,2cyclictest749-21snmpd22:20:292
8572992016,3cyclictest749-21snmpd20:11:002
8572992016,3cyclictest0-21swapper/219:12:542
8572992016,2cyclictest749-21snmpd20:47:082
857299200,3cyclictest0-21swapper/221:10:132
857299200,2cyclictest0-21swapper/222:33:262
857299200,19cyclictest0-21swapper/223:45:462
857299200,19cyclictest0-21swapper/219:37:522
856899206,8cyclictest0-21swapper/122:50:201
856899206,8cyclictest0-21swapper/122:50:201
8568992018,2cyclictest0-21swapper/123:55:301
8568992017,3cyclictest0-21swapper/123:30:551
8568992017,2cyclictest0-21swapper/120:10:491
8568992016,3cyclictest0-21swapper/120:24:161
856899200,2cyclictest0-21swapper/123:36:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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